Fastening device for sampler



FIG. 1 shows a perspective view of a fastening device for sampler.

FIG. 2 shows a top view of the fastening device for sampler.

FIG. 3 shows a side view of the fastening device for sampler.

FIG. 4 shows a front view of the fastening device for sampler.

FIG. 5 shows a back view of the fastening device for sampler.

FIG. 6 shows a perspective view of an inwardly arced fastening device for sampler, in a state of use; and,

FIG. 7 shows a perspective view of an outwardly arced fastening device for sampler, in a state of use. 

CLAIM The ornamental design for a fastening device for sampler, as shown and described. 